CN211791325U - Toggle type piezoelectric rotary generator - Google Patents

Toggle type piezoelectric rotary generator Download PDF

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Publication number
CN211791325U
CN211791325U CN202020749231.3U CN202020749231U CN211791325U CN 211791325 U CN211791325 U CN 211791325U CN 202020749231 U CN202020749231 U CN 202020749231U CN 211791325 U CN211791325 U CN 211791325U
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CN
China
Prior art keywords
bolt
piezoelectric vibrator
piezoelectric
base
rotator
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Expired - Fee Related
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CN202020749231.3U
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Chinese (zh)
Inventor
田晓超
王海刚
徐安俊
孙禹泽
朱金志
闻人锴琦
刘夏
杨凤双
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Changchun University
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Changchun University
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Priority to CN202020749231.3U priority Critical patent/CN211791325U/en
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Publication of CN211791325U publication Critical patent/CN211791325U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a toggle piezoelectric rotary generator, which comprises a base, a shell, a rotator, a piezoelectric vibrator, a height adjusting bolt, a fastening bolt and a clamping plate, wherein the upper end of the base is fixedly connected with a plurality of baffles in a circumferential array manner, the upper end of the base is also provided with a plurality of clamping plates matched with the baffles for use, bolt holes are respectively arranged on the baffles, the clamping plates and the piezoelectric vibrator, the fastening bolt passes through the bolt holes to tightly connect the baffles, the clamping plates and the piezoelectric vibrator together, the utility model improves the defects of the prior device, can convert the external excitation of low frequency into the internal excitation of high frequency through a transmission mechanism by adjusting different rotating speeds, thereby improving the generating performance of the generator in the low frequency environment, meeting different output requirements, and the structure is suitable for collecting fluid energy in the low speed environments of wind, water, tide and the like in the natural world, the self-powered requirement of the micro rotating mechanical system under different conditions is met.

Description

Toggle type piezoelectric rotary generator
Technical Field
The utility model relates to a small mechanical power generation field specifically is a stirring formula piezoelectricity rotation generator.
Background
The piezoelectric type generator can be used for recovering human body motion energy, vibration energy, rotator kinetic energy, fluid energy, ultrasound and the like, the electrostatic type generator needs an external voltage source, the output voltage of the electromagnetic type generator is low and is interfered by a magnetic field, the miniaturization and integration are not easy to happen, the resonance frequency of the common piezoelectric generator is high, the vibration energy frequency in the environment is low, therefore, the piezoelectric generators cannot efficiently collect the energy, the inertia excitation type piezoelectric generator is suitable for a low-speed state, and the piezoelectric vibrator is damaged due to overlarge deformation caused by sudden change of the rotation state; the impact type generator has larger impact, noise and possible impact damage, and the gyromagnetic rotary generator has larger amplitude during resonance and is easy to impact and damage with a rotating body.
In view of the above problems, an improved toggle type piezoelectric rotary generator is now devised.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a stirring formula piezoelectricity rotation generator to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a toggle type piezoelectricity rotary generator, includes base, casing, rotator, piezoelectricity oscillator, height adjusting bolt, fastening bolt and splint, the bolt hole has been seted up on the lateral wall of base, the bolt hole has also been seted up on the casing, fastening bolt passes the bolt hole and is in the same place base and casing zonulae occludens, the upper end of base is a plurality of baffles of circumference array fixedly connected with, the base upper end still is provided with a plurality of splint that use with the baffle cooperation, the bolt hole has all been seted up on baffle, splint and the piezoelectricity oscillator, fastening bolt passes the bolt hole and is in the same place baffle, splint and piezoelectricity oscillator zonulae occludens.
The base central point puts and has seted up the mounting hole, be provided with the rotation axis in the mounting hole, the one end that the rotation axis is close to the baffle is provided with the rotator, the rotator passes through height adjusting bolt fixed connection with the rotation axis and is in the same place, the one end that the rotator is close to the base is a plurality of trapezoidal bosss that are used for stirring piezoelectric vibrator and make piezoelectric vibrator take place deformation, height adjusting bolt is used for adjusting the distance between boss and the piezoelectric vibrator, the one end that the baffle was kept away from to the rotation axis is connected to together with motor, fan and screw.
As a further aspect of the present invention: and the fastening bolt is sleeved with a gasket for increasing the friction force between the fastening bolt and the bolt hole.
As a further aspect of the present invention: the mounting hole is rotatably connected with the rotating shaft through the deep groove ball bearing, the mounting hole is fixedly connected to the outer ring of the deep groove ball bearing, and the rotating shaft is fixedly connected to the inner ring of the deep groove ball bearing.
As a further aspect of the present invention: the piezoelectric vibrator is formed by bonding an elastic metal substrate and a piezoelectric ceramic piece through a curing adhesive, the elastic metal substrate and the piezoelectric ceramic piece are respectively led out of an electric device for electrode connection, and double piezoelectric ceramic pieces are bonded on the elastic metal substrate or single piezoelectric ceramic pieces are bonded on the elastic metal substrate.
As a further aspect of the present invention: the height adjusting bolt is formed by combining two nuts, a bolt and a gasket, the rotating body is assembled between the two nuts, and the distance between the boss on the rotating body and the piezoelectric vibrator is changed by adjusting the relative position of the nuts.
As a further aspect of the present invention: and friction gaskets for increasing the friction force between the fastening bolts and the bolt holes are arranged among the baffle plates, the clamping plates and the piezoelectric vibrators.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model aims at remedying the not enough of prior art, provide a stirring formula piezoelectricity rotation generator, this structure can be through adjusting different rotational speeds, the outside excitation of low frequency is converted into the inside excitation of high frequency through transmission mechanism, therefore improve the generating performance of generator in the low frequency environment, satisfy different output requirement, this structure is suitable for collecting the fluid energy in the low-speed environment such as wind of nature, water, morning and evening tides, satisfy the self-power demand of the small rotating machinery system operation under the different conditions.
Drawings
Fig. 1 is a schematic structural diagram of a toggle type piezoelectric rotary generator.
Fig. 2 is a schematic three-dimensional structure diagram of a toggle type piezoelectric rotary generator.
Fig. 3 is a schematic view of a rotator structure of a toggle piezoelectric rotary generator.
Fig. 4 is a schematic diagram of a base structure of a toggle type piezoelectric rotary generator.
Fig. 5 is a schematic structural diagram of a piezoelectric vibrator of a toggle type piezoelectric rotary generator.
Wherein: the piezoelectric vibration device comprises a base 1, a deep groove ball bearing 2, a rotating shaft 3, a shell 4, a rotating body 5, a piezoelectric vibrator 6, an elastic metal substrate 61, a piezoelectric ceramic piece 62, a height adjusting bolt 7, a nut 71, a bolt 72, a fastening bolt 8 and a clamping plate 9.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 5, in an embodiment of the present invention, a toggle piezoelectric rotary generator includes a base 1, a housing 4, a rotator 5, a piezoelectric vibrator 6, a height adjusting bolt 7, a fastening bolt 8 and a clamp plate 9, a bolt hole is formed on a side wall of the base 1, a bolt hole is also formed on the housing 4, and the fastening bolt 8 penetrates through the bolt hole to tightly connect the base 1 and the housing 4 together.
The upper end of base 1 is a plurality of baffles of circumference array fixedly connected with, 1 upper end of base still is provided with a plurality of splint 9 that use with the baffle cooperation, the bolt hole has all been seted up on baffle, splint 9 and the piezoelectric vibrator 6, fastening bolt 8 passes the bolt hole and is in the same place baffle, splint 9 and piezoelectric vibrator 6 zonulae occludens.
The base 1 central point puts and has seted up the mounting hole, be provided with the rotation axis 3 in the mounting hole, the mounting hole is connected through deep groove ball bearing 2 rotation with rotation axis 3, mounting hole fixed connection is on deep groove ball bearing 2's outer lane, rotation axis 3 fixed connection is in deep groove ball bearing 2's inner circle, the one end that rotation axis 3 is close to the baffle is provided with rotator 5, rotator 5 and rotation axis 3 are in the same place through height adjusting bolt 7 fixed connection, rotator 5 is close to the one end of base 1 and is a plurality of trapezoidal bosss that are used for stirring piezoelectric vibrator 6 and make piezoelectric vibrator 6 take place the deformation, height adjusting bolt 7 is used for adjusting the distance between boss and the piezoelectric vibrator 6, the one end that the baffle was kept away from to rotation axis 3 is in the same place with motor, fan and screw, motor, The fan and the propeller can drive the rotating shaft 3 to rotate, the rotating shaft 3 rotates to drive the rotating body 5 to rotate, the boss can stir the piezoelectric vibrator 6 to deform, and therefore mechanical energy is converted into electric energy to complete power generation.
The piezoelectric vibrator 6 is formed by bonding an elastic metal substrate 61 and a piezoelectric ceramic piece 62 by using a curing adhesive, electric devices for electrode connection are respectively led out from the elastic metal substrate 61 and the piezoelectric ceramic piece 62, and double piezoelectric ceramic pieces 62 are bonded on the elastic metal substrate 61 or single piezoelectric ceramic pieces 62 are bonded on the elastic metal substrate 61.
The height adjusting bolt 7 is formed by combining two nuts 71, a bolt 72 and a gasket, the rotating body 5 is assembled between the two nuts 71, and the distance between a boss on the rotating body 5 and the piezoelectric vibrator 6 is changed by adjusting the relative position of the nuts 71, so that the force borne by the piezoelectric vibrator 6 after being subjected to toggle deformation is changed to adapt to different rotating speeds.
The utility model discloses a theory of operation is: during operation, when external power source drive rotation axis 3's rotation, rotation axis 3 drives the rotation of rotator 5, the boss on the rotator 5 will stir piezoelectric vibrator 6 and take place deformation, piezoelectric vibrator 6 converts mechanical energy into electric energy output, change the rotational speed and adjust the distance of piezoelectric vibrator 6 and boss, can change the excited condition of piezoelectric vibrator 6 in order to satisfy different output performance, height adjusting bolt 7 changes the distance of piezoelectric vibrator 6 and boss, the excitation force of adjustment piezoelectric vibrator 6 is in order to adapt to different rotational speeds.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. A toggle type piezoelectric rotary generator comprises a base (1), a shell (4), a rotator (5), a piezoelectric vibrator (6), a height adjusting bolt (7), a fastening bolt (8) and a clamping plate (9), it is characterized in that the side wall of the base (1) is provided with a bolt hole, the shell (4) is also provided with a bolt hole, the fastening bolt (8) passes through the bolt hole to tightly connect the base (1) and the shell (4) together, the upper end of the base (1) is fixedly connected with a plurality of baffles in a circumferential array, the upper end of the base (1) is also provided with a plurality of clamping plates (9) matched with the baffles for use, the baffle, the clamping plate (9) and the piezoelectric vibrator (6) are all provided with bolt holes, the fastening bolt (8) penetrates through the bolt hole to tightly connect the baffle, the clamping plate (9) and the piezoelectric vibrator (6) together;
the utility model discloses a piezoelectric vibrator, including base (1), rotation axis (3), rotator (5) and height adjusting bolt (7), the mounting hole has been seted up to base (1) central point, be provided with rotation axis (3) in the mounting hole, the one end that rotation axis (3) are close to the baffle is provided with rotator (5), rotator (5) are in the same place through height adjusting bolt (7) fixed connection with rotation axis (3), rotator (5) are close to the one end of base (1) and are a plurality of trapezoidal bosss that are used for stirring piezoelectric vibrator (6) and make piezoelectric vibrator (6) take place deformation, height adjusting bolt (7) are used for adjusting the distance between boss and piezoelectric vibrator (6), the one end that the baffle was kept away from.
2. The stirring type piezoelectric rotary generator according to claim 1, wherein the fastening bolt (8) is sleeved with a gasket for increasing the friction between the fastening bolt (8) and the bolt hole.
3. A dial-type piezoelectric rotary generator according to claim 1, characterized in that the mounting hole is rotatably connected with the rotary shaft (3) through a deep groove ball bearing (2), the mounting hole is fixedly connected with the outer ring of the deep groove ball bearing (2), and the rotary shaft (3) is fixedly connected with the inner ring of the deep groove ball bearing (2).
4. The stirring type piezoelectric rotary generator according to claim 1, wherein the piezoelectric vibrator (6) is formed by bonding an elastic metal substrate (61) and a piezoelectric ceramic plate (62) by using a curing adhesive, electric devices for electrode connection are respectively led out from the elastic metal substrate (61) and the piezoelectric ceramic plate (62), and the double piezoelectric ceramic plate (62) is bonded to the elastic metal substrate (61) or the single piezoelectric ceramic plate (62) is bonded to the elastic metal substrate (61).
5. A dial-type piezoelectric rotary generator according to claim 1, wherein the height adjusting bolt (7) is composed of two nuts (71), a bolt (72) and a washer, the rotator (5) is assembled between the two nuts (71), and the distance between the boss of the rotator (5) and the piezoelectric vibrator (6) is changed by adjusting the relative position of the nuts (71).
6. The stirring type piezoelectric rotary generator according to claim 1, wherein friction pads for increasing the friction force between the fastening bolts (8) and the bolt holes are arranged among the baffle, the clamping plate (9) and the piezoelectric vibrator (6).
CN202020749231.3U 2020-05-09 2020-05-09 Toggle type piezoelectric rotary generator Expired - Fee Related CN211791325U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020749231.3U CN211791325U (en) 2020-05-09 2020-05-09 Toggle type piezoelectric rotary generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020749231.3U CN211791325U (en) 2020-05-09 2020-05-09 Toggle type piezoelectric rotary generator

Publications (1)

Publication Number Publication Date
CN211791325U true CN211791325U (en) 2020-10-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020749231.3U Expired - Fee Related CN211791325U (en) 2020-05-09 2020-05-09 Toggle type piezoelectric rotary generator

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112187103A (en) * 2020-11-15 2021-01-05 浙江师范大学 Turbine type piezoelectric-friction generator with constant-amplitude excitation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112187103A (en) * 2020-11-15 2021-01-05 浙江师范大学 Turbine type piezoelectric-friction generator with constant-amplitude excitation
CN112187103B (en) * 2020-11-15 2021-10-01 浙江师范大学 Turbine type piezoelectric-friction generator with constant-amplitude excitation

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20201027

Termination date: 20210509

CF01 Termination of patent right due to non-payment of annual fee